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    <title>Document</title>
    <style>
        body{
            background-color: coral;
        }
        .con{
            width: 60%;
            height: 400px;
            margin: 140px auto;
            border: 10px solid skyblue;
            
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        .con a{
            display: inline-block;
            width: 200px;
           
            height: 300px;
            margin: auto;
            margin-left: 60px;
            margin-top: 60px;
            text-decoration: none;
            font-size: 25px;
            color: white;
            background-color: brown;
            text-align: center;
            line-height: 300px;
        }
        .con a:hover{
            background-color: red;
        }
    </style>
</head>
<body>
    <div class="con">
        <a href="./时钟与计算器/时钟test.html">时钟</a>
        <a href="./时钟与计算器/计算器.html">计算器</a>
        <a href="https://gitee.com/yihyp/my-first-codebase.git">仓库链接</a>
    </div>
</body>
</html>